PLANT GROWTH AND MOVEMENTS (II) biology MCQ’s questions answers

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PLANT GROWTH AND MOVEMENTS (II)

Question 121 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is simple, volatile hormone?
A
Cytokinin
B
ABA
C
Ethylene
D
IAA
Question 122 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which chemical induces formation of adventitious roots?
A
Cytokinins
B
Gibberrelin
C
Abscisic acid
D
IAA
Question 123 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is agent Orange? (CBSE 1998, AIMS 1999)
A
Insectide which is biodegradable
B
Colour used in tube light
C
Weedicide with dioxin
D
Chemical used in luminiscent plant
Question 124 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which plant show movement from intense light to dim light?
A
Volvox
B
Plankton
C
Lotus
D
Hydrilla
Question 125 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the main origin of cytokinin?
A
Young leaves
B
Lateral buds
C
Root apex
D
Stem apex
There are 125 questions to complete.

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